Greg Hennessy

Greg Hennessy

Author

Gregory Hennessy is an independent management consultant with more than 15 years of experience in strategy and organizational development. He combines traditional analysis and facilitation with systems- and organizational learning-based techniques. Greg has been an Engagement Manager and Manager of Professional Development at McKinsey & Co., as well as a Consultant with Monitor Group. He spent a year on the faculty of the Shell Learning Center and was a consultant to Shell’s Learning & Transformation Services group.

Greg earned a Master’s degree in Social Science from Caltech, where he studied microeconomics and political science. He has also earned a Masters in Management (MBA Equivalent) from MIT’s Sloan School of Management, where he concentrated in System Dynamics and Organizational Learning. Currently, Greg is a doctoral student in Environmental Science at the University of Nevada, Las Vegas.

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Modeling “Soft” Variables

When encountering system dynamics modeling for the first time, sharp-minded managers often ask, “How can you have any confidence in your model if you …

Clarifying Variables: Actual, Perceived, and Desired

One of the primary benefits of modeling with systems tools—whether causal loops or computer simulations—is the intense discussion it can generate around important variables …

Charting a Corporate Learning Strategy

Managers in many companies slay are struggling with one basic question: How do you actually create a learning organization? While the five disciplines described …

From Spreadsheets to System Dynamics Models

Decision-makers often turn to computer models when they face a problem too “big” to grasp all at once. Having the computer keep track of …

When Change Happens Suddenly, Dramatically, and Mercilessly

TEAM TIP Reinforcing loops can create momentum in either an advantageous or a detrimental direction. Look for harmful loops at work in your setting …

Rising from the Ashes of Digital

Ask three people who worked for Digital Equipment Corporation (Digital or DEC) what went wrong during the rise and fall of one of America’s …

Scenarios of the Future: The Urgent Case for Sustainability

I was in grade school when the original Limits to Growth (Universe Books, 1972) was published. The environmental consciousness that blossomed in the early …

Black-Belt Mastery of Mental Models

I recently got around to reading an influential book on …well, influence. Originally published in 1984, Robert Cialdini’s Influence: The Psychology of Persuasion (reprinted …